/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.datavines.common.config;

import java.util.*;
import java.util.stream.Collectors;

public class ConfigChecker {

    public static CheckResult checkConfig(Map<String,Object> config, Set<String> requiredOptions) {

        List<String> nonExistsOptions = new ArrayList<>();
        requiredOptions.forEach(x->{
            if(!config.containsKey(x)){
                nonExistsOptions.add(x);
            }
        });

        if (!nonExistsOptions.isEmpty()) {
            return new CheckResult(
                    false,
                    "please specify " + nonExistsOptions.stream().map(option ->
                            "[" + option + "]").collect(Collectors.joining(",")) + " as non-empty string");
        } else {
            return new CheckResult(true, "");
        }
    }
}
